20269908

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 54302976

約数和(自身を除く): 34033068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 369, 372, 443, 492, 558, 738, 886, 1116, 1271, 1329, 1476, 1772, 2542, 2658, 3813, 3987, 5084, 5316, 7626, 7974, 11439, 13733, 15252, 15948, 18163, 22878, 27466, 36326, 41199, 45756, 54489, 54932, 72652, 82398, 108978, 123597, 163467, 164796, 217956, 247194, 326934, 494388, 563053, 653868, 1126106, 1689159, 2252212, 3378318, 5067477, 6756636, 10134954, 20269908]

約数ペア:

[(1, 20269908), (2, 10134954), (3, 6756636), (4, 5067477), (6, 3378318), (9, 2252212), (12, 1689159), (18, 1126106), (31, 653868), (36, 563053), (41, 494388), (62, 326934), (82, 247194), (93, 217956), (123, 164796), (124, 163467), (164, 123597), (186, 108978), (246, 82398), (279, 72652), (369, 54932), (372, 54489), (443, 45756), (492, 41199), (558, 36326), (738, 27466), (886, 22878), (1116, 18163), (1271, 15948), (1329, 15252), (1476, 13733), (1772, 11439), (2542, 7974), (2658, 7626), (3813, 5316), (3987, 5084)]